20921394 (number)

20921394 is an even 8-digits composite number following 20921393 and preceding 20921395. In scientific notation, it is written as 2.0921394 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6090336 positive integers (up to 20921394) that are relatively prime to 20921394.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred ninety-four

Notation

Scientific notation 2.0921394 × 10^7
Engineering notation 2.0921394 × 10^6

Prime Factorization of 20921394

Prime Factorization 2 × 57 × 247 × 743

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921394
Product of the distinct prime numbers

The prime factorization of 20921394 is 2 × 57 × 247 × 743. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 100, 30, 24, 119, 9608, 7106, 70709, 61482, 547799, 537858, 2329908, 5878747, 47113632, 48413196, 392468313, 547929050, 1233554862, 8363905082

Basic calculations (n = 20921394)

Multiplication

n×y
n×2 41842788
n×3 62764182
n×4 83685576
n×5 104606970

Division

n÷y
n÷2 10460697
n÷3 6973798
n÷3 5230348.5
n÷5 4184278.8

Exponentiation

ny
n2 437704726903236
n3 9.157393047205E+21
n4 1.9158542795344E+29
n5 4.0082342228725E+36

Nth Root

y√n
2√n 4573.9910362833
3√n 275.54775232508
4√n 67.631287406668
5√n 29.115089111222

Divisors of 20921394

1, 2, 57, 114, 247, 494, 743, 1486, 14079, 28158, 42351, 84702, 183521, 367042, 10460697, 20921394

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921393
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921394 can be divided by 16 positive divisors. The sum of these divisors (counting 20921394) is 1, the average is 0.0625.

Base conversion 20921394

Base System Value
2 Binary 1001111110011110000110010
3 Ternary 1110100220202110
4 Quaternary 1033303300302
5 Quinary 20323441034
6 Senary 2024230150
8 Octal 117636062
10 Decimal 20921394
12 Duodecimal 700b356
16 Hexadecimal 13f3c32
20 Vigesimal 6af39e
36 Base36 cgf1u

Cryptographic Hash Functions

md5 e1fe5d7fbc715ed0a78db45e0d9a3427
sha1 dbe380c6336af979b63881cc142187bce602ef6a
sha256 f79995105a7e070b90a2ebb33cfe6d5a97d193fbfd31b4abdec9bbef4c1cd2af
sha512 007a29c8f0b2658cb185e37df52fcdf09a1c981f45b67842e3e9e892dea05c1bfc9bf39864be7bd6d07425616771b31fa887c7ba70b9b69c03d4194e41afb116
ripemd-160 4df5a06ab77645c553eff71decd8233334236dde

20921394 as geometric shapes

Circle

Radius = n
Diameter 41842788
Circumference 131452995.38652
Area 1.3750899544807E+15

Sphere

Radius = n
Volume 3.8358398297511E+22
Surface area 5.5003598179229E+15
Circumference 131452995.38652

Square

Length = n
Perimeter 83685576
Area 437704726903236
Diagonal 29587319.138551

Cube

Length = n
Surface area 2626228361419416
Volume 9.157393047205E+21
Space diagonal 36236917.373167

Equilateral Triangle

Length = n
Perimeter 62764182
Area 1.8953170642737E+14
Altitude 18118458.686583

Triangular Pyramid

Length = n
Surface area 1.8953170642737E+14
Volume 1.0792091202782E+21
Height 9862439.7128504